CSS

Question 1

What are the names of the individual pieces of a CSS rule?

Answer 1

CSS Selectors

Question 2

In CSS. how do you select elements by their CLASS attribute?

Answer 2

Use a . before name of the class

example: .class-name { }

Question 3

In CSS. how do you select elements by their type?

Answer 3

Use the name of the element followed by the curly braces

example: body { }

Question 4

In CSS, how do you select an element by its ID attribute?

Answer 4

Use a # before the name of the ID

example: #id-name { }

Question 5

Name three different types of values you can use to specify colors in CSS:

Answer 5

RGB Values, Hex Codes, Color Names

RGB, RGBA, HSL, HSLA

Question 6

What CSS properties make up the box model?

Answer 6

Margin, Border, Padding, width, height

Question 7

Which CSS property pushes boxes away from each other?

Answer 7

Margin Property

Question 8

Which CSS property adds space between a box’s content and its border?

Answer 8

Padding Property

Question 9

What is a psuedo-class?

Answer 9

a selector that selects elements that are in a specific state, i.e. they are the first element of their type, or they are being hovered by a mouse pointer.

Question 10

What are CSS pseudo-classes useful for?

Answer 10

A pseudo-class is used to define a special state of an element.

For example, it can be used to:

• Style an element when a user mouses over it
• Style visited and unvisited links differently
• Style an element when it gets focus

Question 11

Name two types of units that can be used to adjust font-size in CSS:

Answer 11

Pixels, percentages, ems, rems

Question 12

What CSS property controls the font used for the text inside an element?

Answer 12

font-family

Question 13

What is the default flex-direction of a flex container?

Answer 13

row

Question 14

What is the default flex-wrap of a flex container?

Answer 14

nowrap

Question 15

Why do two div elements “vertically stack” on one another by default?

Answer 15

div is a block element and takes the full width of the content resulting in the divs stacking on one another.

Question 16

What is the default flex-direction of an element with the display: flex?

Answer 16

row

Question 17

What is the default value for the position property of HTML elements?

Answer 17

static

Question 18

How does setting position: relative on an element affect document flow?

Answer 18

does not affect document flow

Question 19

How does setting position: relative on an element affect where it appears on the page?

Answer 19

DOES NOT change position without using: top, bottom, left, right properties in CSS.

Question 20

How does setting position: absolute on an element affect document flow?

Answer 20

it gets ignored by best of document, all surround elements ignore the absolute, everything shifts to fill

Question 21

How does setting position: absolute on an element affect where it appears on the page?

Answer 21

sets position to relative, goes to first ancestor without STATIC position (relative) and sticks to that.

Question 22

How do you constrain an absolutely positioned element to a containing block?

Answer 22

set ancestor to something other than STATIC

Question 23

What are the four box offset properties?

Answer 23

top, bottom, left, right

Question 24

What does the transform property do?

Answer 24

The transform CSS property lets you rotate, scale, skew, or translate an element. It modifies the coordinate space of the CSS visual formatting model.

Question 25

Give four examples of CSS transform functions.

Answer 25

transform: matrix
transform: translate
transform: scale
transform: rotate
transform: skew

Question 26

The transition property is shorthand for which four CSS properties?

Answer 26

transition-property, transition-duration, transition-timing-function, transition-delay

Question 27

What is a breakpoint in responsive Web Design?

Answer 27

The point at which a media query is introduced

Question 28

What is the advantage of using a percentage(e.g. 50%) width instead of a fixed (e.g. px) width for a “column” in a responsive layout?

Answer 28

Its relative to its parent and will change sizes based on its parent’s sizing

Question 29

If you introduce CSS rules for a smaller min-width after the styles for a larger min-width in your style sheet, the CSS rules for the smaller min-width will “win”. Why is that?

Answer 29

Source Order